/* 主界面样式 */
.client-container {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;

}

.main {
    width: 1000px;
    height: 740px;
    background-color: rgb(235, 235, 235);
    border-radius: 5px;

    display: flex;
    z-index: 2;
}
.main .left {
    width: 280px;
    height: 100%;
    background-color: rgb(46, 50, 55);

    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
}

.main .right {
    height: 100%;
    width: 720px;

    padding: 0 20px;
}

.cover {
    width: 100%;
    height: 100%;
    background-image: url(../img/1.jpg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;

    /* 为了让.cover 和 .main 重合加了定位属性 */
    position: absolute;

    /* 设置z轴坐标 */
    z-index: 1;

    /* 滤镜效果 让变得朦胧 */
    filter: blur(20px);
}

.main .left .user {
    height: 80px;
    font-size: 20px;
    line-height: 80px;
    color: white;
    padding: 0 20px;
}

.main .left .search {
    height: 40px;
    padding: 0 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.main .left .search input {
    height: 34px;
    width: 200px;
    line-height: 34px;
    font-size: 14px;
    color: white;
    background-color: rgb(38,41,46);
    /* 去掉边框和轮廓线 */
    border: none;
    outline: none;

    padding-left: 10px;
    border-radius: 5px;
}

.main .left .search button {
    height: 34px;
    width: 34px;
    border: none;
    outline: none;
    background-color: rgb(38,41,46);

    border-radius: 5px;
    background-image: url(../img/搜素.png);
    background-repeat: no-repeat;
    background-size: 20px 20px;
    background-position: center center;
}

.main .left .search button:active {
    background-color: grey;
}

.main .left .tab {
    height: 50px;
    display: flex;
    align-items: center;

}

.main .left .tab .tab-session {
    height: 100%;
    width: 50%;
    background-image: url(../img/对话.png);
    background-repeat: no-repeat;
    background-size: 30px 30px;
    background-position: center center;
}

.main .left .tab .tab-friend {
    height: 100%;
    width: 50%;
    background-image: url(../img/用户2.png);
    background-repeat: no-repeat;
    background-size: 30px 30px;
    background-position: center center;
}

.main .left .list {
    height: 570px;
    /* 如果内容过多自动提供一个滚动条 */
    overflow: auto;

}

.main .left .list li {
    height: 60px;
    padding: 10px 20px;
    color: white;
    border-top: 1px solid black;
}
.main .left .list .selected {
    background-color: rgb(45, 54, 65);
}

.main .left .list li h3,
.main .left .list li p {
    height: 20px;
    font-size: 14px;
    line-height: 20px;
}

.main .left .list h4 {
    height: 40px;
    line-height: 40px;
    font-size: 20px;
}

.hide {
    display: none;
}

::-webkit-scrollbar {
    display: none;
}

.main .right .title {
    height: 50px;
    line-height: 50px;
    font-size: 20px;
    text-align: center;
    border-bottom: 1px solid #ccc;
}

.main .right .message-show {
    height: 550px;

    border-top: 1px solid #ccc;
    border-bottom: 1px solid #ccc;

    /* 滚动条 */
    overflow: auto;
}

.main .right .message-show .message {
    margin-top: 10px;
    /* 宽度默认百分之百 */
    display: flex;
}

/* 让子元素靠左 */
.main .right .message-show .message-left {
    justify-content: flex-start;
}

/* 让子元素靠右 */
.main .right .message-show .message-right {
    justify-content: flex-end;
}

.main .right .message-show .message .box {
    /* 凸显出左右 */
    width: 500px;

}

.main .right .message-show .message .box h4 {
    font-weight: normal;
    height: 20px;
    line-height: 20px;
    font-size: 16px;
}

.main .right .message-show .message .box p {
    padding: 20px;
    border-radius: 10px;
}

/* 给左侧右侧消息设置背景色 */
.main .right .message-show .message-left .box p {
    background-color: #fff;
}

.main .right .message-show .message-right .box p {
    background-color: rgb(33, 188, 33);
}

.main .right .message-input {
    display: block;
    width: 100%;
    height: 100px;
    border: none;
    outline: none;

    margin-top: 2px;
    background-color: rgb(235, 235, 235);
    padding: 5px;
    resize: none;
}

.main .right .ctrl {
    height: 35px;
    display: flex;
    justify-content: flex-end;
}

.main .right .ctrl button {
    height: 35px;
    width: 100px;
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.main .right .ctrl button:active {
    background-color: grey;
    color: white;
}
